Foildrive Mid-High Range Propeller 10The MHR10 Mid High Range Propeller is designed for riders who want faster top end speed while maintaining strong mid range thrust for efficient cruising. The propeller grows 10% in width to increase blade surface area, without changing the blade diameter. This increase in blade area improves surface motoring, grip on the water, and overall efficiency when on foil. The trade off is a slightly slower take off due to the larger blade surface. The